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1 <html><head><title>../roojs1/Date.js</title><link rel="stylesheet" type="text/css" href="../../../css/highlight-js.css"/></head><body class="highlightpage"><code class="jsdoc-pretty"><span class="jsdoc-comment">/*
2  * Based on:
3  * Ext JS Library 1.1.1
4  * Copyright(c) 2006-2007, Ext JS, LLC.
5  *
6  * Originally Released Under LGPL - original licence link has changed is not relivant.
7  *
8  * Fork - LGPL
9  * &lt;script type=&quot;text/javascript&quot;&gt;
10  */
11
12 /**
13  * @class Date
14  *
15  * The date parsing and format syntax is a subset of
16  * &lt;a href=&quot;http://www.php.net/date&quot;&gt;PHP's date() function&lt;/a&gt;, and the formats that are
17  * supported will provide results equivalent to their PHP versions.
18  *
19  * Following is the list of all currently supported formats:
20  *&lt;pre&gt;
21 Sample date:
22 'Wed Jan 10 2007 15:05:01 GMT-0600 (Central Standard Time)'
23
24 Format  Output      Description
25 ------  ----------  --------------------------------------------------------------
26   d      10         Day of the month, 2 digits with leading zeros
27   D      Wed        A textual representation of a day, three letters
28   j      10         Day of the month without leading zeros
29   l      Wednesday  A full textual representation of the day of the week
30   S      th         English ordinal day of month suffix, 2 chars (use with j)
31   w      3          Numeric representation of the day of the week
32   z      9          The julian date, or day of the year (0-365)
33   W      01         ISO-8601 2-digit week number of year, weeks starting on Monday (00-52)
34   F      January    A full textual representation of the month
35   m      01         Numeric representation of a month, with leading zeros
36   M      Jan        Month name abbreviation, three letters
37   n      1          Numeric representation of a month, without leading zeros
38   t      31         Number of days in the given month
39   L      0          Whether it's a leap year (1 if it is a leap year, else 0)
40   Y      2007       A full numeric representation of a year, 4 digits
41   y      07         A two digit representation of a year
42   a      pm         Lowercase Ante meridiem and Post meridiem
43   A      PM         Uppercase Ante meridiem and Post meridiem
44   g      3          12-hour format of an hour without leading zeros
45   G      15         24-hour format of an hour without leading zeros
46   h      03         12-hour format of an hour with leading zeros
47   H      15         24-hour format of an hour with leading zeros
48   i      05         Minutes with leading zeros
49   s      01         Seconds, with leading zeros
50   O      -0600      Difference to Greenwich time (GMT) in hours (Allows +08, without minutes)
51   P      -06:00     Difference to Greenwich time (GMT) with colon between hours and minutes
52   T      CST        Timezone setting of the machine running the code
53   Z      -21600     Timezone offset in seconds (negative if west of UTC, positive if east)
54 &lt;/pre&gt;
55  *
56  * Example usage (note that you must escape format specifiers with '\\' to render them as character literals):
57  * &lt;pre&gt;&lt;code&gt;
58 var dt = new Date('1/10/2007 03:05:01 PM GMT-0600');
59 document.write(dt.format('Y-m-d'));                         //2007-01-10
60 document.write(dt.format('F j, Y, g:i a'));                 //January 10, 2007, 3:05 pm
61 document.write(dt.format('l, \\t\\he dS of F Y h:i:s A'));  //Wednesday, the 10th of January 2007 03:05:01 PM
62  &lt;/code&gt;&lt;/pre&gt;
63  *
64  * Here are some standard date/time patterns that you might find helpful.  They
65  * are not part of the source of Date.js, but to use them you can simply copy this
66  * block of code into any script that is included after Date.js and they will also become
67  * globally available on the Date object.  Feel free to add or remove patterns as needed in your code.
68  * &lt;pre&gt;&lt;code&gt;
69 Date.patterns = {
70     ISO8601Long:&quot;Y-m-d H:i:s&quot;,
71     ISO8601Short:&quot;Y-m-d&quot;,
72     ShortDate: &quot;n/j/Y&quot;,
73     LongDate: &quot;l, F d, Y&quot;,
74     FullDateTime: &quot;l, F d, Y g:i:s A&quot;,
75     MonthDay: &quot;F d&quot;,
76     ShortTime: &quot;g:i A&quot;,
77     LongTime: &quot;g:i:s A&quot;,
78     SortableDateTime: &quot;Y-m-d\\TH:i:s&quot;,
79     UniversalSortableDateTime: &quot;Y-m-d H:i:sO&quot;,
80     YearMonth: &quot;F, Y&quot;
81 };
82 &lt;/code&gt;&lt;/pre&gt;
83  *
84  * Example usage:
85  * &lt;pre&gt;&lt;code&gt;
86 var dt = new Date();
87 document.write(dt.format(Date.patterns.ShortDate));
88  &lt;/code&gt;&lt;/pre&gt;
89  */
90
91 /*
92  * Most of the date-formatting functions below are the excellent work of Baron Schwartz.
93  * They generate precompiled functions from date formats instead of parsing and
94  * processing the pattern every time you format a date.  These functions are available
95  * on every Date object (any javascript function).
96  *
97  * The original article and download are here:
98  * http://www.xaprb.com/blog/2005/12/12/javascript-closures-for-runtime-efficiency/
99  *
100  */
101  
102  
103  // was in core
104 /**
105  Returns the number of milliseconds between this date and date
106  @param {Date} date (optional) Defaults to now
107  @return {Number} The diff in milliseconds
108  @member Date getElapsed
109  */
110 </span><span class="jsdoc-var">Date.prototype.getElapsed </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">date</span><span class="jsdoc-syntax">) {
111         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">Math.abs</span><span class="jsdoc-syntax">((</span><span class="jsdoc-var">date </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-keyword">new </span><span class="jsdoc-var">Date</span><span class="jsdoc-syntax">())</span><span class="jsdoc-var">.getTime</span><span class="jsdoc-syntax">()-</span><span class="jsdoc-var">this.getTime</span><span class="jsdoc-syntax">());
112 };
113 </span><span class="jsdoc-comment">// was in date file..
114
115
116 // private
117 </span><span class="jsdoc-var">Date.parseFunctions </span><span class="jsdoc-syntax">= {</span><span class="jsdoc-var">count</span><span class="jsdoc-syntax">:0};
118 </span><span class="jsdoc-comment">// private
119 </span><span class="jsdoc-var">Date.parseRegexes </span><span class="jsdoc-syntax">= [];
120 </span><span class="jsdoc-comment">// private
121 </span><span class="jsdoc-var">Date.formatFunctions </span><span class="jsdoc-syntax">= {</span><span class="jsdoc-var">count</span><span class="jsdoc-syntax">:0};
122
123 </span><span class="jsdoc-comment">// private
124 </span><span class="jsdoc-var">Date.prototype.dateFormat </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">) {
125     </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Date.formatFunctions</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">] == </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">) {
126         </span><span class="jsdoc-var">Date.createNewFormat</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">);
127     }
128     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">func </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Date.formatFunctions</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">];
129     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">func</span><span class="jsdoc-syntax">]();
130 };
131
132
133 </span><span class="jsdoc-comment">/**
134  * Formats a date given the supplied format string
135  * @param {String} format The format string
136  * @return {String} The formatted date
137  * @method
138  */
139 </span><span class="jsdoc-var">Date.prototype.format </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Date.prototype.dateFormat</span><span class="jsdoc-syntax">;
140
141 </span><span class="jsdoc-comment">// private
142 </span><span class="jsdoc-var">Date.createNewFormat </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">) {
143     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">funcName </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;format&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">Date.formatFunctions.count</span><span class="jsdoc-syntax">++;
144     </span><span class="jsdoc-var">Date.formatFunctions</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">] = </span><span class="jsdoc-var">funcName</span><span class="jsdoc-syntax">;
145     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">code </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;Date.prototype.&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">funcName </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot; = function(){return &quot;</span><span class="jsdoc-syntax">;
146     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">special </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">;
147     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">ch </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">''</span><span class="jsdoc-syntax">;
148     </span><span class="jsdoc-keyword">for </span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= 0; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">&lt; </span><span class="jsdoc-var">format.length</span><span class="jsdoc-syntax">; ++</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">) {
149         </span><span class="jsdoc-var">ch </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">format.charAt</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">);
150         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">special </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">ch </span><span class="jsdoc-syntax">== </span><span class="jsdoc-string">&quot;\\&quot;</span><span class="jsdoc-syntax">) {
151             </span><span class="jsdoc-var">special </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">;
152         }
153         </span><span class="jsdoc-keyword">else if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">special</span><span class="jsdoc-syntax">) {
154             </span><span class="jsdoc-var">special </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">;
155             </span><span class="jsdoc-var">code </span><span class="jsdoc-syntax">+= </span><span class="jsdoc-string">&quot;'&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">String.escape</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">ch</span><span class="jsdoc-syntax">) + </span><span class="jsdoc-string">&quot;' + &quot;</span><span class="jsdoc-syntax">;
156         }
157         </span><span class="jsdoc-keyword">else </span><span class="jsdoc-syntax">{
158             </span><span class="jsdoc-var">code </span><span class="jsdoc-syntax">+= </span><span class="jsdoc-var">Date.getFormatCode</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">ch</span><span class="jsdoc-syntax">);
159         }
160     }
161     </span><span class="jsdoc-comment">/** eval:var:zzzzzzzzzzzzz */
162     </span><span class="jsdoc-keyword">eval</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">code.substring</span><span class="jsdoc-syntax">(0, </span><span class="jsdoc-var">code.length </span><span class="jsdoc-syntax">- 3) + </span><span class="jsdoc-string">&quot;;}&quot;</span><span class="jsdoc-syntax">);
163 };
164
165 </span><span class="jsdoc-comment">// private
166 </span><span class="jsdoc-var">Date.getFormatCode </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">character</span><span class="jsdoc-syntax">) {
167     </span><span class="jsdoc-keyword">switch </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">character</span><span class="jsdoc-syntax">) {
168     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;d&quot;</span><span class="jsdoc-syntax">:
169         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;String.leftPad(this.getDate(), 2, '0') + &quot;</span><span class="jsdoc-syntax">;
170     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;D&quot;</span><span class="jsdoc-syntax">:
171         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;Date.dayNames[this.getDay()].substring(0, 3) + &quot;</span><span class="jsdoc-syntax">;
172     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;j&quot;</span><span class="jsdoc-syntax">:
173         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getDate() + &quot;</span><span class="jsdoc-syntax">;
174     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;l&quot;</span><span class="jsdoc-syntax">:
175         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;Date.dayNames[this.getDay()] + &quot;</span><span class="jsdoc-syntax">;
176     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;S&quot;</span><span class="jsdoc-syntax">:
177         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getSuffix() + &quot;</span><span class="jsdoc-syntax">;
178     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;w&quot;</span><span class="jsdoc-syntax">:
179         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getDay() + &quot;</span><span class="jsdoc-syntax">;
180     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;z&quot;</span><span class="jsdoc-syntax">:
181         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getDayOfYear() + &quot;</span><span class="jsdoc-syntax">;
182     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;W&quot;</span><span class="jsdoc-syntax">:
183         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getWeekOfYear() + &quot;</span><span class="jsdoc-syntax">;
184     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;F&quot;</span><span class="jsdoc-syntax">:
185         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;Date.monthNames[this.getMonth()] + &quot;</span><span class="jsdoc-syntax">;
186     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;m&quot;</span><span class="jsdoc-syntax">:
187         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;String.leftPad(this.getMonth() + 1, 2, '0') + &quot;</span><span class="jsdoc-syntax">;
188     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;M&quot;</span><span class="jsdoc-syntax">:
189         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;Date.monthNames[this.getMonth()].substring(0, 3) + &quot;</span><span class="jsdoc-syntax">;
190     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;n&quot;</span><span class="jsdoc-syntax">:
191         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;(this.getMonth() + 1) + &quot;</span><span class="jsdoc-syntax">;
192     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;t&quot;</span><span class="jsdoc-syntax">:
193         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getDaysInMonth() + &quot;</span><span class="jsdoc-syntax">;
194     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;L&quot;</span><span class="jsdoc-syntax">:
195         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;(this.isLeapYear() ? 1 : 0) + &quot;</span><span class="jsdoc-syntax">;
196     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;Y&quot;</span><span class="jsdoc-syntax">:
197         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getFullYear() + &quot;</span><span class="jsdoc-syntax">;
198     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;y&quot;</span><span class="jsdoc-syntax">:
199         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;('' + this.getFullYear()).substring(2, 4) + &quot;</span><span class="jsdoc-syntax">;
200     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;a&quot;</span><span class="jsdoc-syntax">:
201         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;(this.getHours() &lt; 12 ? 'am' : 'pm') + &quot;</span><span class="jsdoc-syntax">;
202     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;A&quot;</span><span class="jsdoc-syntax">:
203         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;(this.getHours() &lt; 12 ? 'AM' : 'PM') + &quot;</span><span class="jsdoc-syntax">;
204     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;g&quot;</span><span class="jsdoc-syntax">:
205         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;((this.getHours() % 12) ? this.getHours() % 12 : 12) + &quot;</span><span class="jsdoc-syntax">;
206     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;G&quot;</span><span class="jsdoc-syntax">:
207         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getHours() + &quot;</span><span class="jsdoc-syntax">;
208     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;h&quot;</span><span class="jsdoc-syntax">:
209         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;String.leftPad((this.getHours() % 12) ? this.getHours() % 12 : 12, 2, '0') + &quot;</span><span class="jsdoc-syntax">;
210     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;H&quot;</span><span class="jsdoc-syntax">:
211         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;String.leftPad(this.getHours(), 2, '0') + &quot;</span><span class="jsdoc-syntax">;
212     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;i&quot;</span><span class="jsdoc-syntax">:
213         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;String.leftPad(this.getMinutes(), 2, '0') + &quot;</span><span class="jsdoc-syntax">;
214     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;s&quot;</span><span class="jsdoc-syntax">:
215         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;String.leftPad(this.getSeconds(), 2, '0') + &quot;</span><span class="jsdoc-syntax">;
216     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;O&quot;</span><span class="jsdoc-syntax">:
217         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getGMTOffset() + &quot;</span><span class="jsdoc-syntax">;
218     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;P&quot;</span><span class="jsdoc-syntax">:
219         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getGMTColonOffset() + &quot;</span><span class="jsdoc-syntax">;
220     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;T&quot;</span><span class="jsdoc-syntax">:
221         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;this.getTimezone() + &quot;</span><span class="jsdoc-syntax">;
222     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;Z&quot;</span><span class="jsdoc-syntax">:
223         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;(this.getTimezoneOffset() * -60) + &quot;</span><span class="jsdoc-syntax">;
224     </span><span class="jsdoc-keyword">default</span><span class="jsdoc-syntax">:
225         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;'&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">String.escape</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">character</span><span class="jsdoc-syntax">) + </span><span class="jsdoc-string">&quot;' + &quot;</span><span class="jsdoc-syntax">;
226     }
227 };
228
229 </span><span class="jsdoc-comment">/**
230  * Parses the passed string using the specified format. Note that this function expects dates in normal calendar
231  * format, meaning that months are 1-based (1 = January) and not zero-based like in JavaScript dates.  Any part of
232  * the date format that is not specified will default to the current date value for that part.  Time parts can also
233  * be specified, but default to 0.  Keep in mind that the input date string must precisely match the specified format
234  * string or the parse operation will fail.
235  * Example Usage:
236 &lt;pre&gt;&lt;code&gt;
237 //dt = Fri May 25 2007 (current date)
238 var dt = new Date();
239
240 //dt = Thu May 25 2006 (today's month/day in 2006)
241 dt = Date.parseDate(&quot;2006&quot;, &quot;Y&quot;);
242
243 //dt = Sun Jan 15 2006 (all date parts specified)
244 dt = Date.parseDate(&quot;2006-1-15&quot;, &quot;Y-m-d&quot;);
245
246 //dt = Sun Jan 15 2006 15:20:01 GMT-0600 (CST)
247 dt = Date.parseDate(&quot;2006-1-15 3:20:01 PM&quot;, &quot;Y-m-d h:i:s A&quot; );
248 &lt;/code&gt;&lt;/pre&gt;
249  * @param {String} input The unparsed date as a string
250  * @param {String} format The format the date is in
251  * @return {Date} The parsed date
252  * @static
253  */
254 </span><span class="jsdoc-var">Date.parseDate </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">input</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">) {
255     </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Date.parseFunctions</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">] == </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">) {
256         </span><span class="jsdoc-var">Date.createParser</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">);
257     }
258     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">func </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Date.parseFunctions</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">];
259     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">Date</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">func</span><span class="jsdoc-syntax">](</span><span class="jsdoc-var">input</span><span class="jsdoc-syntax">);
260 };
261 </span><span class="jsdoc-comment">/**
262  * @private
263  */
264 </span><span class="jsdoc-var">Date.createParser </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">) {
265     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">funcName </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;parse&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">Date.parseFunctions.count</span><span class="jsdoc-syntax">++;
266     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">regexNum </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Date.parseRegexes.length</span><span class="jsdoc-syntax">;
267     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">= 1;
268     </span><span class="jsdoc-var">Date.parseFunctions</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">format</span><span class="jsdoc-syntax">] = </span><span class="jsdoc-var">funcName</span><span class="jsdoc-syntax">;
269
270     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">code </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;Date.&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">funcName </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot; = function(input){\n&quot;
271         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;var y = -1, m = -1, d = -1, h = -1, i = -1, s = -1, o, z, v;\n&quot;
272         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;var d = new Date();\n&quot;
273         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;y = d.getFullYear();\n&quot;
274         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;m = d.getMonth();\n&quot;
275         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;d = d.getDate();\n&quot;
276         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;if (typeof(input) !== 'string') { input = input.toString(); }\n&quot;
277         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;var results = input.match(Date.parseRegexes[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">regexNum </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;]);\n&quot;
278         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;if (results &amp;&amp; results.length &gt; 0) {&quot;</span><span class="jsdoc-syntax">;
279     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">regex </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;&quot;</span><span class="jsdoc-syntax">;
280
281     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">special </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">;
282     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">ch </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">''</span><span class="jsdoc-syntax">;
283     </span><span class="jsdoc-keyword">for </span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= 0; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">&lt; </span><span class="jsdoc-var">format.length</span><span class="jsdoc-syntax">; ++</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">) {
284         </span><span class="jsdoc-var">ch </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">format.charAt</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">);
285         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">special </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">ch </span><span class="jsdoc-syntax">== </span><span class="jsdoc-string">&quot;\\&quot;</span><span class="jsdoc-syntax">) {
286             </span><span class="jsdoc-var">special </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">;
287         }
288         </span><span class="jsdoc-keyword">else if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">special</span><span class="jsdoc-syntax">) {
289             </span><span class="jsdoc-var">special </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">;
290             </span><span class="jsdoc-var">regex </span><span class="jsdoc-syntax">+= </span><span class="jsdoc-var">String.escape</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">ch</span><span class="jsdoc-syntax">);
291         }
292         </span><span class="jsdoc-keyword">else </span><span class="jsdoc-syntax">{
293             </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">obj </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Date.formatCodeToRegex</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">ch</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">currentGroup</span><span class="jsdoc-syntax">);
294             </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+= </span><span class="jsdoc-var">obj.g</span><span class="jsdoc-syntax">;
295             </span><span class="jsdoc-var">regex </span><span class="jsdoc-syntax">+= </span><span class="jsdoc-var">obj.s</span><span class="jsdoc-syntax">;
296             </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">obj.g </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">obj.c</span><span class="jsdoc-syntax">) {
297                 </span><span class="jsdoc-var">code </span><span class="jsdoc-syntax">+= </span><span class="jsdoc-var">obj.c</span><span class="jsdoc-syntax">;
298             }
299         }
300     }
301
302     </span><span class="jsdoc-var">code </span><span class="jsdoc-syntax">+= </span><span class="jsdoc-string">&quot;if (y &gt;= 0 &amp;&amp; m &gt;= 0 &amp;&amp; d &gt; 0 &amp;&amp; h &gt;= 0 &amp;&amp; i &gt;= 0 &amp;&amp; s &gt;= 0)\n&quot;
303         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;{v = new Date(y, m, d, h, i, s);}\n&quot;
304         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;else if (y &gt;= 0 &amp;&amp; m &gt;= 0 &amp;&amp; d &gt; 0 &amp;&amp; h &gt;= 0 &amp;&amp; i &gt;= 0)\n&quot;
305         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;{v = new Date(y, m, d, h, i);}\n&quot;
306         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;else if (y &gt;= 0 &amp;&amp; m &gt;= 0 &amp;&amp; d &gt; 0 &amp;&amp; h &gt;= 0)\n&quot;
307         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;{v = new Date(y, m, d, h);}\n&quot;
308         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;else if (y &gt;= 0 &amp;&amp; m &gt;= 0 &amp;&amp; d &gt; 0)\n&quot;
309         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;{v = new Date(y, m, d);}\n&quot;
310         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;else if (y &gt;= 0 &amp;&amp; m &gt;= 0)\n&quot;
311         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;{v = new Date(y, m);}\n&quot;
312         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;else if (y &gt;= 0)\n&quot;
313         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;{v = new Date(y);}\n&quot;
314         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;}return (v &amp;&amp; (z || o))?\n&quot; </span><span class="jsdoc-comment">// favour UTC offset over GMT offset
315         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;    ((z)? v.add(Date.SECOND, (v.getTimezoneOffset() * 60) + (z*1)) :\n&quot; </span><span class="jsdoc-comment">// reset to UTC, then add offset
316         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;        v.add(Date.HOUR, (v.getGMTOffset() / 100) + (o / -100))) : v\n&quot; </span><span class="jsdoc-comment">// reset to GMT, then add offset
317         </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;;}&quot;</span><span class="jsdoc-syntax">;
318
319     </span><span class="jsdoc-var">Date.parseRegexes</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">regexNum</span><span class="jsdoc-syntax">] = </span><span class="jsdoc-keyword">new </span><span class="jsdoc-var">RegExp</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;^&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">regex </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;$&quot;</span><span class="jsdoc-syntax">);
320     </span><span class="jsdoc-comment">/** eval:var:zzzzzzzzzzzzz */
321     </span><span class="jsdoc-keyword">eval</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">code</span><span class="jsdoc-syntax">);
322 };
323
324 </span><span class="jsdoc-comment">// private
325 </span><span class="jsdoc-var">Date.formatCodeToRegex </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">character</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">currentGroup</span><span class="jsdoc-syntax">) {
326     </span><span class="jsdoc-keyword">switch </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">character</span><span class="jsdoc-syntax">) {
327     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;D&quot;</span><span class="jsdoc-syntax">:
328         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:0,
329         </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
330         </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(?:Sun|Mon|Tue|Wed|Thu|Fri|Sat)&quot;</span><span class="jsdoc-syntax">};
331     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;j&quot;</span><span class="jsdoc-syntax">:
332         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
333             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;d = parseInt(results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;], 10);\n&quot;</span><span class="jsdoc-syntax">,
334             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(\\d{1,2})&quot;</span><span class="jsdoc-syntax">}; </span><span class="jsdoc-comment">// day of month without leading zeroes
335     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;d&quot;</span><span class="jsdoc-syntax">:
336         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
337             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;d = parseInt(results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;], 10);\n&quot;</span><span class="jsdoc-syntax">,
338             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(\\d{2})&quot;</span><span class="jsdoc-syntax">}; </span><span class="jsdoc-comment">// day of month with leading zeroes
339     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;l&quot;</span><span class="jsdoc-syntax">:
340         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:0,
341             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
342             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(?:&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">Date.dayNames.join</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;|&quot;</span><span class="jsdoc-syntax">) + </span><span class="jsdoc-string">&quot;)&quot;</span><span class="jsdoc-syntax">};
343     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;S&quot;</span><span class="jsdoc-syntax">:
344         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:0,
345             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
346             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(?:st|nd|rd|th)&quot;</span><span class="jsdoc-syntax">};
347     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;w&quot;</span><span class="jsdoc-syntax">:
348         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:0,
349             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
350             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;\\d&quot;</span><span class="jsdoc-syntax">};
351     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;z&quot;</span><span class="jsdoc-syntax">:
352         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:0,
353             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
354             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(?:\\d{1,3})&quot;</span><span class="jsdoc-syntax">};
355     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;W&quot;</span><span class="jsdoc-syntax">:
356         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:0,
357             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
358             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(?:\\d{2})&quot;</span><span class="jsdoc-syntax">};
359     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;F&quot;</span><span class="jsdoc-syntax">:
360         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
361             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;m = parseInt(Date.monthNumbers[results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;].substring(0, 3)], 10);\n&quot;</span><span class="jsdoc-syntax">,
362             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">Date.monthNames.join</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;|&quot;</span><span class="jsdoc-syntax">) + </span><span class="jsdoc-string">&quot;)&quot;</span><span class="jsdoc-syntax">};
363     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;M&quot;</span><span class="jsdoc-syntax">:
364         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
365             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;m = parseInt(Date.monthNumbers[results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;]], 10);\n&quot;</span><span class="jsdoc-syntax">,
366             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)&quot;</span><span class="jsdoc-syntax">};
367     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;n&quot;</span><span class="jsdoc-syntax">:
368         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
369             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;m = parseInt(results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;], 10) - 1;\n&quot;</span><span class="jsdoc-syntax">,
370             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(\\d{1,2})&quot;</span><span class="jsdoc-syntax">}; </span><span class="jsdoc-comment">// Numeric representation of a month, without leading zeros
371     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;m&quot;</span><span class="jsdoc-syntax">:
372         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
373             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;m = parseInt(results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;], 10) - 1;\n&quot;</span><span class="jsdoc-syntax">,
374             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(\\d{2})&quot;</span><span class="jsdoc-syntax">}; </span><span class="jsdoc-comment">// Numeric representation of a month, with leading zeros
375     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;t&quot;</span><span class="jsdoc-syntax">:
376         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:0,
377             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
378             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;\\d{1,2}&quot;</span><span class="jsdoc-syntax">};
379     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;L&quot;</span><span class="jsdoc-syntax">:
380         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:0,
381             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
382             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(?:1|0)&quot;</span><span class="jsdoc-syntax">};
383     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;Y&quot;</span><span class="jsdoc-syntax">:
384         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
385             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;y = parseInt(results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;], 10);\n&quot;</span><span class="jsdoc-syntax">,
386             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(\\d{4})&quot;</span><span class="jsdoc-syntax">};
387     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;y&quot;</span><span class="jsdoc-syntax">:
388         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
389             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;var ty = parseInt(results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;], 10);\n&quot;
390                 </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;y = ty &gt; Date.y2kYear ? 1900 + ty : 2000 + ty;\n&quot;</span><span class="jsdoc-syntax">,
391             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(\\d{1,2})&quot;</span><span class="jsdoc-syntax">};
392     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;a&quot;</span><span class="jsdoc-syntax">:
393         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
394             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;if (results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;] == 'am') {\n&quot;
395                 </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;if (h == 12) { h = 0; }\n&quot;
396                 </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;} else { if (h &lt; 12) { h += 12; }}&quot;</span><span class="jsdoc-syntax">,
397             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(am|pm)&quot;</span><span class="jsdoc-syntax">};
398     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;A&quot;</span><span class="jsdoc-syntax">:
399         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
400             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;if (results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;] == 'AM') {\n&quot;
401                 </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;if (h == 12) { h = 0; }\n&quot;
402                 </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;} else { if (h &lt; 12) { h += 12; }}&quot;</span><span class="jsdoc-syntax">,
403             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(AM|PM)&quot;</span><span class="jsdoc-syntax">};
404     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;g&quot;</span><span class="jsdoc-syntax">:
405     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;G&quot;</span><span class="jsdoc-syntax">:
406         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
407             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;h = parseInt(results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;], 10);\n&quot;</span><span class="jsdoc-syntax">,
408             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(\\d{1,2})&quot;</span><span class="jsdoc-syntax">}; </span><span class="jsdoc-comment">// 12/24-hr format  format of an hour without leading zeroes
409     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;h&quot;</span><span class="jsdoc-syntax">:
410     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;H&quot;</span><span class="jsdoc-syntax">:
411         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
412             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;h = parseInt(results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;], 10);\n&quot;</span><span class="jsdoc-syntax">,
413             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(\\d{2})&quot;</span><span class="jsdoc-syntax">}; </span><span class="jsdoc-comment">//  12/24-hr format  format of an hour with leading zeroes
414     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;i&quot;</span><span class="jsdoc-syntax">:
415         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
416             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;i = parseInt(results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;], 10);\n&quot;</span><span class="jsdoc-syntax">,
417             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(\\d{2})&quot;</span><span class="jsdoc-syntax">};
418     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;s&quot;</span><span class="jsdoc-syntax">:
419         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
420             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;s = parseInt(results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;], 10);\n&quot;</span><span class="jsdoc-syntax">,
421             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;(\\d{2})&quot;</span><span class="jsdoc-syntax">};
422     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;O&quot;</span><span class="jsdoc-syntax">:
423         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
424             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:[
425                 </span><span class="jsdoc-string">&quot;o = results[&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">currentGroup</span><span class="jsdoc-syntax">, </span><span class="jsdoc-string">&quot;];\n&quot;</span><span class="jsdoc-syntax">,
426                 </span><span class="jsdoc-string">&quot;var sn = o.substring(0,1);\n&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-comment">// get + / - sign
427                 </span><span class="jsdoc-string">&quot;var hr = o.substring(1,3)*1 + Math.floor(o.substring(3,5) / 60);\n&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-comment">// get hours (performs minutes-to-hour conversion also)
428                 </span><span class="jsdoc-string">&quot;var mn = o.substring(3,5) % 60;\n&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-comment">// get minutes
429                 </span><span class="jsdoc-string">&quot;o = ((-12 &lt;= (hr*60 + mn)/60) &amp;&amp; ((hr*60 + mn)/60 &lt;= 14))?\n&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-comment">// -12hrs &lt;= GMT offset &lt;= 14hrs
430                 </span><span class="jsdoc-string">&quot;    (sn + String.leftPad(hr, 2, 0) + String.leftPad(mn, 2, 0)) : null;\n&quot;
431             </span><span class="jsdoc-syntax">]</span><span class="jsdoc-var">.join</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;&quot;</span><span class="jsdoc-syntax">),
432             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;([+\-]\\d{2,4})&quot;</span><span class="jsdoc-syntax">};
433     
434     
435     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;P&quot;</span><span class="jsdoc-syntax">:
436         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
437                 </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:[
438                    </span><span class="jsdoc-string">&quot;o = results[&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">currentGroup</span><span class="jsdoc-syntax">, </span><span class="jsdoc-string">&quot;];\n&quot;</span><span class="jsdoc-syntax">,
439                    </span><span class="jsdoc-string">&quot;var sn = o.substring(0,1);\n&quot;</span><span class="jsdoc-syntax">,
440                    </span><span class="jsdoc-string">&quot;var hr = o.substring(1,3)*1 + Math.floor(o.substring(4,6) / 60);\n&quot;</span><span class="jsdoc-syntax">,
441                    </span><span class="jsdoc-string">&quot;var mn = o.substring(4,6) % 60;\n&quot;</span><span class="jsdoc-syntax">,
442                    </span><span class="jsdoc-string">&quot;o = ((-12 &lt;= (hr*60 + mn)/60) &amp;&amp; ((hr*60 + mn)/60 &lt;= 14))?\n&quot;</span><span class="jsdoc-syntax">,
443                         </span><span class="jsdoc-string">&quot;    (sn + String.leftPad(hr, 2, 0) + String.leftPad(mn, 2, 0)) : null;\n&quot;
444             </span><span class="jsdoc-syntax">]</span><span class="jsdoc-var">.join</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;&quot;</span><span class="jsdoc-syntax">),
445             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;([+\-]\\d{4})&quot;</span><span class="jsdoc-syntax">};
446     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;T&quot;</span><span class="jsdoc-syntax">:
447         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:0,
448             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
449             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;[A-Z]{1,4}&quot;</span><span class="jsdoc-syntax">}; </span><span class="jsdoc-comment">// timezone abbrev. may be between 1 - 4 chars
450     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-string">&quot;Z&quot;</span><span class="jsdoc-syntax">:
451         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:1,
452             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;z = results[&quot; </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">currentGroup </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;];\n&quot; </span><span class="jsdoc-comment">// -43200 &lt;= UTC offset &lt;= 50400
453                   </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-string">&quot;z = (-43200 &lt;= z*1 &amp;&amp; z*1 &lt;= 50400)? z : null;\n&quot;</span><span class="jsdoc-syntax">,
454             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-string">&quot;([+\-]?\\d{1,5})&quot;</span><span class="jsdoc-syntax">}; </span><span class="jsdoc-comment">// leading '+' sign is optional for UTC offset
455     </span><span class="jsdoc-keyword">default</span><span class="jsdoc-syntax">:
456         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{</span><span class="jsdoc-var">g</span><span class="jsdoc-syntax">:0,
457             </span><span class="jsdoc-var">c</span><span class="jsdoc-syntax">:</span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
458             </span><span class="jsdoc-var">s</span><span class="jsdoc-syntax">:</span><span class="jsdoc-var">String.escape</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">character</span><span class="jsdoc-syntax">)};
459     }
460 };
461
462 </span><span class="jsdoc-comment">/**
463  * Get the timezone abbreviation of the current date (equivalent to the format specifier 'T').
464  * @return {String} The abbreviated timezone name (e.g. 'CST')
465  */
466 </span><span class="jsdoc-var">Date.prototype.getTimezone </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
467     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this.toString</span><span class="jsdoc-syntax">()</span><span class="jsdoc-var">.replace</span><span class="jsdoc-syntax">(/^.*? ([A-Z]{1,4})[\-+][0-9]{4} .*$/, </span><span class="jsdoc-string">&quot;$1&quot;</span><span class="jsdoc-syntax">);
468 };
469
470 </span><span class="jsdoc-comment">/**
471  * Get the offset from GMT of the current date (equivalent to the format specifier 'O').
472  * @return {String} The 4-character offset string prefixed with + or - (e.g. '-0600')
473  */
474 </span><span class="jsdoc-var">Date.prototype.getGMTOffset </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
475     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getTimezoneOffset</span><span class="jsdoc-syntax">() &gt; 0 ? </span><span class="jsdoc-string">&quot;-&quot; </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">&quot;+&quot;</span><span class="jsdoc-syntax">)
476         + </span><span class="jsdoc-var">String.leftPad</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Math.abs</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Math.floor</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getTimezoneOffset</span><span class="jsdoc-syntax">() / 60)), 2, </span><span class="jsdoc-string">&quot;0&quot;</span><span class="jsdoc-syntax">)
477         + </span><span class="jsdoc-var">String.leftPad</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getTimezoneOffset</span><span class="jsdoc-syntax">() % 60, 2, </span><span class="jsdoc-string">&quot;0&quot;</span><span class="jsdoc-syntax">);
478 };
479
480 </span><span class="jsdoc-comment">/**
481  * Get the offset from GMT of the current date (equivalent to the format specifier 'P').
482  * @return {String} 2-characters representing hours and 2-characters representing minutes
483  * seperated by a colon and prefixed with + or - (e.g. '-06:00')
484  */
485 </span><span class="jsdoc-var">Date.prototype.getGMTColonOffset </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
486         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getTimezoneOffset</span><span class="jsdoc-syntax">() &gt; 0 ? </span><span class="jsdoc-string">&quot;-&quot; </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">&quot;+&quot;</span><span class="jsdoc-syntax">)
487                 + </span><span class="jsdoc-var">String.leftPad</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Math.abs</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Math.floor</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getTimezoneOffset</span><span class="jsdoc-syntax">() / 60)), 2, </span><span class="jsdoc-string">&quot;0&quot;</span><span class="jsdoc-syntax">)
488                 + </span><span class="jsdoc-string">&quot;:&quot;
489                 </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">String.leftPad</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getTimezoneOffset</span><span class="jsdoc-syntax">() %60, 2, </span><span class="jsdoc-string">&quot;0&quot;</span><span class="jsdoc-syntax">);
490 }
491
492 </span><span class="jsdoc-comment">/**
493  * Get the numeric day number of the year, adjusted for leap year.
494  * @return {Number} 0 through 364 (365 in leap years)
495  */
496 </span><span class="jsdoc-var">Date.prototype.getDayOfYear </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
497     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">num </span><span class="jsdoc-syntax">= 0;
498     </span><span class="jsdoc-var">Date.daysInMonth</span><span class="jsdoc-syntax">[1] = </span><span class="jsdoc-var">this.isLeapYear</span><span class="jsdoc-syntax">() ? 29 : 28;
499     </span><span class="jsdoc-keyword">for </span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= 0; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">&lt; </span><span class="jsdoc-var">this.getMonth</span><span class="jsdoc-syntax">(); ++</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">) {
500         </span><span class="jsdoc-var">num </span><span class="jsdoc-syntax">+= </span><span class="jsdoc-var">Date.daysInMonth</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">];
501     }
502     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">num </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">this.getDate</span><span class="jsdoc-syntax">() - 1;
503 };
504
505 </span><span class="jsdoc-comment">/**
506  * Get the string representation of the numeric week number of the year
507  * (equivalent to the format specifier 'W').
508  * @return {String} '00' through '52'
509  */
510 </span><span class="jsdoc-var">Date.prototype.getWeekOfYear </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
511     </span><span class="jsdoc-comment">// Skip to Thursday of this week
512     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">now </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.getDayOfYear</span><span class="jsdoc-syntax">() + (4 - </span><span class="jsdoc-var">this.getDay</span><span class="jsdoc-syntax">());
513     </span><span class="jsdoc-comment">// Find the first Thursday of the year
514     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">jan1 </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">new </span><span class="jsdoc-var">Date</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getFullYear</span><span class="jsdoc-syntax">(), 0, 1);
515     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">then </span><span class="jsdoc-syntax">= (7 - </span><span class="jsdoc-var">jan1.getDay</span><span class="jsdoc-syntax">() + 4);
516     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">String.leftPad</span><span class="jsdoc-syntax">(((</span><span class="jsdoc-var">now </span><span class="jsdoc-syntax">- </span><span class="jsdoc-var">then</span><span class="jsdoc-syntax">) / 7) + 1, 2, </span><span class="jsdoc-string">&quot;0&quot;</span><span class="jsdoc-syntax">);
517 };
518
519 </span><span class="jsdoc-comment">/**
520  * Whether or not the current date is in a leap year.
521  * @return {Boolean} True if the current date is in a leap year, else false
522  */
523 </span><span class="jsdoc-var">Date.prototype.isLeapYear </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
524     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">year </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.getFullYear</span><span class="jsdoc-syntax">();
525     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">((</span><span class="jsdoc-var">year </span><span class="jsdoc-syntax">&amp; 3) == 0 &amp;&amp; (</span><span class="jsdoc-var">year </span><span class="jsdoc-syntax">% 100 || (</span><span class="jsdoc-var">year </span><span class="jsdoc-syntax">% 400 == 0 &amp;&amp; </span><span class="jsdoc-var">year</span><span class="jsdoc-syntax">)));
526 };
527
528 </span><span class="jsdoc-comment">/**
529  * Get the first day of the current month, adjusted for leap year.  The returned value
530  * is the numeric day index within the week (0-6) which can be used in conjunction with
531  * the {@link #monthNames} array to retrieve the textual day name.
532  * Example:
533  *&lt;pre&gt;&lt;code&gt;
534 var dt = new Date('1/10/2007');
535 document.write(Date.dayNames[dt.getFirstDayOfMonth()]); //output: 'Monday'
536 &lt;/code&gt;&lt;/pre&gt;
537  * @return {Number} The day number (0-6)
538  */
539 </span><span class="jsdoc-var">Date.prototype.getFirstDayOfMonth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
540     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">day </span><span class="jsdoc-syntax">= (</span><span class="jsdoc-var">this.getDay</span><span class="jsdoc-syntax">() - (</span><span class="jsdoc-var">this.getDate</span><span class="jsdoc-syntax">() - 1)) % 7;
541     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">day </span><span class="jsdoc-syntax">&lt; 0) ? (</span><span class="jsdoc-var">day </span><span class="jsdoc-syntax">+ 7) : </span><span class="jsdoc-var">day</span><span class="jsdoc-syntax">;
542 };
543
544 </span><span class="jsdoc-comment">/**
545  * Get the last day of the current month, adjusted for leap year.  The returned value
546  * is the numeric day index within the week (0-6) which can be used in conjunction with
547  * the {@link #monthNames} array to retrieve the textual day name.
548  * Example:
549  *&lt;pre&gt;&lt;code&gt;
550 var dt = new Date('1/10/2007');
551 document.write(Date.dayNames[dt.getLastDayOfMonth()]); //output: 'Wednesday'
552 &lt;/code&gt;&lt;/pre&gt;
553  * @return {Number} The day number (0-6)
554  */
555 </span><span class="jsdoc-var">Date.prototype.getLastDayOfMonth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
556     </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">day </span><span class="jsdoc-syntax">= (</span><span class="jsdoc-var">this.getDay</span><span class="jsdoc-syntax">() + (</span><span class="jsdoc-var">Date.daysInMonth</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">this.getMonth</span><span class="jsdoc-syntax">()] - </span><span class="jsdoc-var">this.getDate</span><span class="jsdoc-syntax">())) % 7;
557     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">day </span><span class="jsdoc-syntax">&lt; 0) ? (</span><span class="jsdoc-var">day </span><span class="jsdoc-syntax">+ 7) : </span><span class="jsdoc-var">day</span><span class="jsdoc-syntax">;
558 };
559
560
561 </span><span class="jsdoc-comment">/**
562  * Get the first date of this date's month
563  * @return {Date}
564  */
565 </span><span class="jsdoc-var">Date.prototype.getFirstDateOfMonth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
566     </span><span class="jsdoc-keyword">return new </span><span class="jsdoc-var">Date</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getFullYear</span><span class="jsdoc-syntax">(), </span><span class="jsdoc-var">this.getMonth</span><span class="jsdoc-syntax">(), 1);
567 };
568
569 </span><span class="jsdoc-comment">/**
570  * Get the last date of this date's month
571  * @return {Date}
572  */
573 </span><span class="jsdoc-var">Date.prototype.getLastDateOfMonth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
574     </span><span class="jsdoc-keyword">return new </span><span class="jsdoc-var">Date</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getFullYear</span><span class="jsdoc-syntax">(), </span><span class="jsdoc-var">this.getMonth</span><span class="jsdoc-syntax">(), </span><span class="jsdoc-var">this.getDaysInMonth</span><span class="jsdoc-syntax">());
575 };
576 </span><span class="jsdoc-comment">/**
577  * Get the number of days in the current month, adjusted for leap year.
578  * @return {Number} The number of days in the month
579  */
580 </span><span class="jsdoc-var">Date.prototype.getDaysInMonth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
581     </span><span class="jsdoc-var">Date.daysInMonth</span><span class="jsdoc-syntax">[1] = </span><span class="jsdoc-var">this.isLeapYear</span><span class="jsdoc-syntax">() ? 29 : 28;
582     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">Date.daysInMonth</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">this.getMonth</span><span class="jsdoc-syntax">()];
583 };
584
585 </span><span class="jsdoc-comment">/**
586  * Get the English ordinal suffix of the current day (equivalent to the format specifier 'S').
587  * @return {String} 'st, 'nd', 'rd' or 'th'
588  */
589 </span><span class="jsdoc-var">Date.prototype.getSuffix </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
590     </span><span class="jsdoc-keyword">switch </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getDate</span><span class="jsdoc-syntax">()) {
591         </span><span class="jsdoc-keyword">case </span><span class="jsdoc-syntax">1:
592         </span><span class="jsdoc-keyword">case </span><span class="jsdoc-syntax">21:
593         </span><span class="jsdoc-keyword">case </span><span class="jsdoc-syntax">31:
594             </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;st&quot;</span><span class="jsdoc-syntax">;
595         </span><span class="jsdoc-keyword">case </span><span class="jsdoc-syntax">2:
596         </span><span class="jsdoc-keyword">case </span><span class="jsdoc-syntax">22:
597             </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;nd&quot;</span><span class="jsdoc-syntax">;
598         </span><span class="jsdoc-keyword">case </span><span class="jsdoc-syntax">3:
599         </span><span class="jsdoc-keyword">case </span><span class="jsdoc-syntax">23:
600             </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;rd&quot;</span><span class="jsdoc-syntax">;
601         </span><span class="jsdoc-keyword">default</span><span class="jsdoc-syntax">:
602             </span><span class="jsdoc-keyword">return </span><span class="jsdoc-string">&quot;th&quot;</span><span class="jsdoc-syntax">;
603     }
604 };
605
606 </span><span class="jsdoc-comment">// private
607 </span><span class="jsdoc-var">Date.daysInMonth </span><span class="jsdoc-syntax">= [31,28,31,30,31,30,31,31,30,31,30,31];
608
609 </span><span class="jsdoc-comment">/**
610  * An array of textual month names.
611  * Override these values for international dates, for example...
612  * Date.monthNames = ['JanInYourLang', 'FebInYourLang', ...];
613  * @type Array
614  * @static
615  */
616 </span><span class="jsdoc-var">Date.monthNames </span><span class="jsdoc-syntax">=
617    [</span><span class="jsdoc-string">&quot;January&quot;</span><span class="jsdoc-syntax">,
618     </span><span class="jsdoc-string">&quot;February&quot;</span><span class="jsdoc-syntax">,
619     </span><span class="jsdoc-string">&quot;March&quot;</span><span class="jsdoc-syntax">,
620     </span><span class="jsdoc-string">&quot;April&quot;</span><span class="jsdoc-syntax">,
621     </span><span class="jsdoc-string">&quot;May&quot;</span><span class="jsdoc-syntax">,
622     </span><span class="jsdoc-string">&quot;June&quot;</span><span class="jsdoc-syntax">,
623     </span><span class="jsdoc-string">&quot;July&quot;</span><span class="jsdoc-syntax">,
624     </span><span class="jsdoc-string">&quot;August&quot;</span><span class="jsdoc-syntax">,
625     </span><span class="jsdoc-string">&quot;September&quot;</span><span class="jsdoc-syntax">,
626     </span><span class="jsdoc-string">&quot;October&quot;</span><span class="jsdoc-syntax">,
627     </span><span class="jsdoc-string">&quot;November&quot;</span><span class="jsdoc-syntax">,
628     </span><span class="jsdoc-string">&quot;December&quot;</span><span class="jsdoc-syntax">];
629
630 </span><span class="jsdoc-comment">/**
631  * An array of textual day names.
632  * Override these values for international dates, for example...
633  * Date.dayNames = ['SundayInYourLang', 'MondayInYourLang', ...];
634  * @type Array
635  * @static
636  */
637 </span><span class="jsdoc-var">Date.dayNames </span><span class="jsdoc-syntax">=
638    [</span><span class="jsdoc-string">&quot;Sunday&quot;</span><span class="jsdoc-syntax">,
639     </span><span class="jsdoc-string">&quot;Monday&quot;</span><span class="jsdoc-syntax">,
640     </span><span class="jsdoc-string">&quot;Tuesday&quot;</span><span class="jsdoc-syntax">,
641     </span><span class="jsdoc-string">&quot;Wednesday&quot;</span><span class="jsdoc-syntax">,
642     </span><span class="jsdoc-string">&quot;Thursday&quot;</span><span class="jsdoc-syntax">,
643     </span><span class="jsdoc-string">&quot;Friday&quot;</span><span class="jsdoc-syntax">,
644     </span><span class="jsdoc-string">&quot;Saturday&quot;</span><span class="jsdoc-syntax">];
645
646 </span><span class="jsdoc-comment">// private
647 </span><span class="jsdoc-var">Date.y2kYear </span><span class="jsdoc-syntax">= 50;
648 </span><span class="jsdoc-comment">// private
649 </span><span class="jsdoc-var">Date.monthNumbers </span><span class="jsdoc-syntax">= {
650     </span><span class="jsdoc-var">Jan</span><span class="jsdoc-syntax">:0,
651     </span><span class="jsdoc-var">Feb</span><span class="jsdoc-syntax">:1,
652     </span><span class="jsdoc-var">Mar</span><span class="jsdoc-syntax">:2,
653     </span><span class="jsdoc-var">Apr</span><span class="jsdoc-syntax">:3,
654     </span><span class="jsdoc-var">May</span><span class="jsdoc-syntax">:4,
655     </span><span class="jsdoc-var">Jun</span><span class="jsdoc-syntax">:5,
656     </span><span class="jsdoc-var">Jul</span><span class="jsdoc-syntax">:6,
657     </span><span class="jsdoc-var">Aug</span><span class="jsdoc-syntax">:7,
658     </span><span class="jsdoc-var">Sep</span><span class="jsdoc-syntax">:8,
659     </span><span class="jsdoc-var">Oct</span><span class="jsdoc-syntax">:9,
660     </span><span class="jsdoc-var">Nov</span><span class="jsdoc-syntax">:10,
661     </span><span class="jsdoc-var">Dec</span><span class="jsdoc-syntax">:11};
662
663 </span><span class="jsdoc-comment">/**
664  * Creates and returns a new Date instance with the exact same date value as the called instance.
665  * Dates are copied and passed by reference, so if a copied date variable is modified later, the original
666  * variable will also be changed.  When the intention is to create a new variable that will not
667  * modify the original instance, you should create a clone.
668  *
669  * Example of correctly cloning a date:
670  * &lt;pre&gt;&lt;code&gt;
671 //wrong way:
672 var orig = new Date('10/1/2006');
673 var copy = orig;
674 copy.setDate(5);
675 document.write(orig);  //returns 'Thu Oct 05 2006'!
676
677 //correct way:
678 var orig = new Date('10/1/2006');
679 var copy = orig.clone();
680 copy.setDate(5);
681 document.write(orig);  //returns 'Thu Oct 01 2006'
682 &lt;/code&gt;&lt;/pre&gt;
683  * @return {Date} The new Date instance
684  */
685 </span><span class="jsdoc-var">Date.prototype.clone </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
686         </span><span class="jsdoc-keyword">return new </span><span class="jsdoc-var">Date</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getTime</span><span class="jsdoc-syntax">());
687 };
688
689 </span><span class="jsdoc-comment">/**
690  * Clears any time information from this date
691  @param {Boolean} clone true to create a clone of this date, clear the time and return it
692  @return {Date} this or the clone
693  */
694 </span><span class="jsdoc-var">Date.prototype.clearTime </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">clone</span><span class="jsdoc-syntax">){
695     </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">clone</span><span class="jsdoc-syntax">){
696         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this.clone</span><span class="jsdoc-syntax">()</span><span class="jsdoc-var">.clearTime</span><span class="jsdoc-syntax">();
697     }
698     </span><span class="jsdoc-var">this.setHours</span><span class="jsdoc-syntax">(0);
699     </span><span class="jsdoc-var">this.setMinutes</span><span class="jsdoc-syntax">(0);
700     </span><span class="jsdoc-var">this.setSeconds</span><span class="jsdoc-syntax">(0);
701     </span><span class="jsdoc-var">this.setMilliseconds</span><span class="jsdoc-syntax">(0);
702     </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">;
703 };
704
705 </span><span class="jsdoc-comment">// private
706 // safari setMonth is broken
707 </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Roo.isSafari</span><span class="jsdoc-syntax">){
708     </span><span class="jsdoc-var">Date.brokenSetMonth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Date.prototype.setMonth</span><span class="jsdoc-syntax">;
709         </span><span class="jsdoc-var">Date.prototype.setMonth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">num</span><span class="jsdoc-syntax">){
710                 </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">num </span><span class="jsdoc-syntax">&lt;= -1){
711                         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">n </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math.ceil</span><span class="jsdoc-syntax">(-</span><span class="jsdoc-var">num</span><span class="jsdoc-syntax">);
712                         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">back_year </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math.ceil</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">/12);
713                         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">month </span><span class="jsdoc-syntax">= (</span><span class="jsdoc-var">n </span><span class="jsdoc-syntax">% 12) ? 12 - </span><span class="jsdoc-var">n </span><span class="jsdoc-syntax">% 12 : 0 ;
714                         </span><span class="jsdoc-var">this.setFullYear</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getFullYear</span><span class="jsdoc-syntax">() - </span><span class="jsdoc-var">back_year</span><span class="jsdoc-syntax">);
715                         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">Date.brokenSetMonth.call</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">month</span><span class="jsdoc-syntax">);
716                 } </span><span class="jsdoc-keyword">else </span><span class="jsdoc-syntax">{
717                         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">Date.brokenSetMonth.apply</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">arguments</span><span class="jsdoc-syntax">);
718                 }
719         };
720 }
721
722 </span><span class="jsdoc-comment">/** Date interval constant 
723 * @static 
724 * @type String */
725 </span><span class="jsdoc-var">Date.MILLI </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;ms&quot;</span><span class="jsdoc-syntax">;
726 </span><span class="jsdoc-comment">/** Date interval constant 
727 * @static 
728 * @type String */
729 </span><span class="jsdoc-var">Date.SECOND </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;s&quot;</span><span class="jsdoc-syntax">;
730 </span><span class="jsdoc-comment">/** Date interval constant 
731 * @static 
732 * @type String */
733 </span><span class="jsdoc-var">Date.MINUTE </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;mi&quot;</span><span class="jsdoc-syntax">;
734 </span><span class="jsdoc-comment">/** Date interval constant 
735 * @static 
736 * @type String */
737 </span><span class="jsdoc-var">Date.HOUR </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;h&quot;</span><span class="jsdoc-syntax">;
738 </span><span class="jsdoc-comment">/** Date interval constant 
739 * @static 
740 * @type String */
741 </span><span class="jsdoc-var">Date.DAY </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;d&quot;</span><span class="jsdoc-syntax">;
742 </span><span class="jsdoc-comment">/** Date interval constant 
743 * @static 
744 * @type String */
745 </span><span class="jsdoc-var">Date.MONTH </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;mo&quot;</span><span class="jsdoc-syntax">;
746 </span><span class="jsdoc-comment">/** Date interval constant 
747 * @static 
748 * @type String */
749 </span><span class="jsdoc-var">Date.YEAR </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">&quot;y&quot;</span><span class="jsdoc-syntax">;
750
751 </span><span class="jsdoc-comment">/**
752  * Provides a convenient method of performing basic date arithmetic.  This method
753  * does not modify the Date instance being called - it creates and returns
754  * a new Date instance containing the resulting date value.
755  *
756  * Examples:
757  * &lt;pre&gt;&lt;code&gt;
758 //Basic usage:
759 var dt = new Date('10/29/2006').add(Date.DAY, 5);
760 document.write(dt); //returns 'Fri Oct 06 2006 00:00:00'
761
762 //Negative values will subtract correctly:
763 var dt2 = new Date('10/1/2006').add(Date.DAY, -5);
764 document.write(dt2); //returns 'Tue Sep 26 2006 00:00:00'
765
766 //You can even chain several calls together in one line!
767 var dt3 = new Date('10/1/2006').add(Date.DAY, 5).add(Date.HOUR, 8).add(Date.MINUTE, -30);
768 document.write(dt3); //returns 'Fri Oct 06 2006 07:30:00'
769  &lt;/code&gt;&lt;/pre&gt;
770  *
771  * @param {String} interval   A valid date interval enum value
772  * @param {Number} value      The amount to add to the current date
773  * @return {Date} The new Date instance
774  */
775 </span><span class="jsdoc-var">Date.prototype.add </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">interval</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">value</span><span class="jsdoc-syntax">){
776   </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">d </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.clone</span><span class="jsdoc-syntax">();
777   </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">interval </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">value </span><span class="jsdoc-syntax">=== 0) </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">d</span><span class="jsdoc-syntax">;
778   </span><span class="jsdoc-keyword">switch</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">interval.toLowerCase</span><span class="jsdoc-syntax">()){
779     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-var">Date.MILLI</span><span class="jsdoc-syntax">:
780       </span><span class="jsdoc-var">d.setMilliseconds</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getMilliseconds</span><span class="jsdoc-syntax">() + </span><span class="jsdoc-var">value</span><span class="jsdoc-syntax">);
781       </span><span class="jsdoc-keyword">break</span><span class="jsdoc-syntax">;
782     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-var">Date.SECOND</span><span class="jsdoc-syntax">:
783       </span><span class="jsdoc-var">d.setSeconds</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getSeconds</span><span class="jsdoc-syntax">() + </span><span class="jsdoc-var">value</span><span class="jsdoc-syntax">);
784       </span><span class="jsdoc-keyword">break</span><span class="jsdoc-syntax">;
785     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-var">Date.MINUTE</span><span class="jsdoc-syntax">:
786       </span><span class="jsdoc-var">d.setMinutes</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getMinutes</span><span class="jsdoc-syntax">() + </span><span class="jsdoc-var">value</span><span class="jsdoc-syntax">);
787       </span><span class="jsdoc-keyword">break</span><span class="jsdoc-syntax">;
788     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-var">Date.HOUR</span><span class="jsdoc-syntax">:
789       </span><span class="jsdoc-var">d.setHours</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getHours</span><span class="jsdoc-syntax">() + </span><span class="jsdoc-var">value</span><span class="jsdoc-syntax">);
790       </span><span class="jsdoc-keyword">break</span><span class="jsdoc-syntax">;
791     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-var">Date.DAY</span><span class="jsdoc-syntax">:
792       </span><span class="jsdoc-var">d.setDate</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getDate</span><span class="jsdoc-syntax">() + </span><span class="jsdoc-var">value</span><span class="jsdoc-syntax">);
793       </span><span class="jsdoc-keyword">break</span><span class="jsdoc-syntax">;
794     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-var">Date.MONTH</span><span class="jsdoc-syntax">:
795       </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">day </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.getDate</span><span class="jsdoc-syntax">();
796       </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">day </span><span class="jsdoc-syntax">&gt; 28){
797           </span><span class="jsdoc-var">day </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math.min</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">day</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.getFirstDateOfMonth</span><span class="jsdoc-syntax">()</span><span class="jsdoc-var">.add</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">'mo'</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">value</span><span class="jsdoc-syntax">)</span><span class="jsdoc-var">.getLastDateOfMonth</span><span class="jsdoc-syntax">()</span><span class="jsdoc-var">.getDate</span><span class="jsdoc-syntax">());
798       }
799       </span><span class="jsdoc-var">d.setDate</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">day</span><span class="jsdoc-syntax">);
800       </span><span class="jsdoc-var">d.setMonth</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getMonth</span><span class="jsdoc-syntax">() + </span><span class="jsdoc-var">value</span><span class="jsdoc-syntax">);
801       </span><span class="jsdoc-keyword">break</span><span class="jsdoc-syntax">;
802     </span><span class="jsdoc-keyword">case </span><span class="jsdoc-var">Date.YEAR</span><span class="jsdoc-syntax">:
803       </span><span class="jsdoc-var">d.setFullYear</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.getFullYear</span><span class="jsdoc-syntax">() + </span><span class="jsdoc-var">value</span><span class="jsdoc-syntax">);
804       </span><span class="jsdoc-keyword">break</span><span class="jsdoc-syntax">;
805   }
806   </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">d</span><span class="jsdoc-syntax">;
807 };
808 </span></code></body></html>